list out the distance travelled by light in different sources.

Dear Student,

Speed of light in a medium is v = cn.
where v = speed of light in a medium
c = speed of light in vacuum
n = refractive index

There are so many refractive indices like water, glass, diamond etc. You can calculate the speed of light using above formula.
Put the value of v in the formula v = distance/time. You can calculate the distance in the given time.

Refractive index of water, glass and diamond are 1.33, 1.50 and 2.40


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